* added get_node function * output directory now includes workflow name and hierarchy
* added get_node function
* output directory now includes workflow name and hierarchy

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1518 ead46cd0-7350-4e37-8683-fc4c6f79bf00

carlohamalainen/nipype,christianbrodbeck/nipype,wanderine/nipype,sgiavasis/nipype,iglpdc/nipype,carolFrohlich/nipype,dmordom/nipype,FCP-INDI/nipype,glatard/nipype,carlohamalainen/nipype,rameshvs/nipype,pearsonlab/nipype,fprados/nipype,arokem/nipype,mick-d/nipype,carolFrohlich/nipype,rameshvs/nipype,sgiavasis/nipype,wanderine/nipype,carolFrohlich/nipype,mick-d/nipype,mick-d/nipype_source,FredLoney/nipype,JohnGriffiths/nipype,satra/NiPypeold,Leoniela/nipype,iglpdc/nipype,blakedewey/nipype,wanderine/nipype,FredLoney/nipype,Leoniela/nipype,pearsonlab/nipype,sgiavasis/nipype,christianbrodbeck/nipype,JohnGriffiths/nipype,dmordom/nipype,mick-d/nipype_source,FCP-INDI/nipype,FredLoney/nipype,sgiavasis/nipype,glatard/nipype,dmordom/nipype,FCP-INDI/nipype,pearsonlab/nipype,iglpdc/nipype,fprados/nipype,glatard/nipype,glatard/nipype,grlee77/nipype,FCP-INDI/nipype,JohnGriffiths/nipype,mick-d/nipype_source,dgellis90/nipype,arokem/nipype,blakedewey/nipype,dgellis90/nipype,grlee77/nipype,arokem/nipype,mick-d/nipype,dgellis90/nipype,blakedewey/nipype,grlee77/nipype,rameshvs/nipype,dgellis90/nipype,iglpdc/nipype,gerddie/nipype,wanderine/nipype,carolFrohlich/nipype,gerddie/nipype,fprados/nipype,rameshvs/nipype,grlee77/nipype,arokem/nipype,pearsonlab/nipype,mick-d/nipype,gerddie/nipype,Leoniela/nipype,satra/NiPypeold,blakedewey/nipype,JohnGriffiths/nipype,gerddie/nipype,carlohamalainen/nipype